public IEnumerator ShowScreen_WhenPanelShown_PanelIsVisible()
{
bool isPanelShown = false;
uiFrame.Initialize();
PanelA panelAPrefab = AssetDatabase.LoadAssetAtPath <PanelA>(PanelAPath);
uiFrame.RegisterScreen(panelAPrefab);
PanelA panelAInstance = uiFrame.GetComponentInChildren <PanelA>(true);
async void ShowPanel()
{
await uiFrame.ShowScreen <PanelA>();
isPanelShown = true;
}
ShowPanel();
yield return(new WaitUntil(() => isPanelShown));
Assert.IsTrue(panelAInstance.IsVisible);
yield return(null);
}